blinky works on mellifera

boards/bh/mellifera_rev1/Kconfig

@@ -0,0 +1,12 @@
+# Copyright (c) 2021 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+if BOARD_MELLIFERA_REV1
+
+config BOARD_ENABLE_DCDC
+	bool "Enable DCDC mode"
+	select SOC_DCDC_NRF52X
+	default y
+	depends on BOARD_MELLIFERA_REV1
+
+endif # BOARD_MELLIFERA_REV1

boards/bh/mellifera_rev1/Kconfig.mellifera_rev1

@@ -0,0 +1,5 @@
+# Copyright (c) 2021 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_MELLIFERA_REV1
+	select SOC_NRF52832_QFAA

boards/bh/mellifera_rev1/README.md

@@ -0,0 +1,6 @@
+# Custom Plank Board
+
+`custom_plank` board is used to demonstrate how to create custom boards. It is
+in fact a simplified version of the nRF52840-DK board, so the
+`example-application` can be run on that development kit when using
+`custom_plank`.

boards/bh/mellifera_rev1/board.cmake

@@ -0,0 +1,12 @@
+# Copyright (c) 2021 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+board_runner_args(jlink "--device=nrf52" "--speed=4000")
+board_runner_args(pyocd "--target=nrf52832" "--frequency=4000000")
+
+set(OPENOCD_NRF5_SUBFAMILY "nrf52")
+
+include(${ZEPHYR_BASE}/boards/common/nrfjprog.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/pyocd.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/openocd-nrf5.board.cmake)

boards/bh/mellifera_rev1/board.yml

@@ -0,0 +1,8 @@
+# Copyright (c) 2024 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+board:
+  name: mellifera_rev1
+  vendor: bh
+  socs:
+    - name: nrf52832

boards/bh/mellifera_rev1/mellifera_rev1-pinctrl.dtsi

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2022 Nordic Semiconductor ASA
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&pinctrl {
+	// uart0_default: uart0_default {
+	// 	group1 {
+	// 		psels = <NRF_PSEL(UART_TX, 0, 6)>,
+	// 			<NRF_PSEL(UART_RX, 0, 8)>,
+	// 			<NRF_PSEL(UART_RTS, 0, 5)>,
+	// 			<NRF_PSEL(UART_CTS, 0, 7)>;
+	// 	};
+	// };
+
+	// uart0_sleep: uart0_sleep {
+	// 	group1 {
+	// 		psels = <NRF_PSEL(UART_TX, 0, 6)>,
+	// 			<NRF_PSEL(UART_RX, 0, 8)>,
+	// 			<NRF_PSEL(UART_RTS, 0, 5)>,
+	// 			<NRF_PSEL(UART_CTS, 0, 7)>;
+	// 		low-power-enable;
+	// 	};
+	// };
+
+
+	uart0_default: uart0_default {
+		group1 {
+			psels = <NRF_PSEL(UART_TX, 0, 5)>,
+				<NRF_PSEL(UART_RX, 0, 11)>;
+		};
+	};
+
+	uart0_sleep: uart0_sleep {
+		group1 {
+			psels = <NRF_PSEL(UART_TX, 0, 5)>,
+				<NRF_PSEL(UART_RX, 0, 11)>;
+			low-power-enable;
+		};
+	};
+
+
+};

boards/bh/mellifera_rev1/mellifera_rev1.dts

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2021 Nordic Semiconductor ASA
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/dts-v1/;
+#include <nordic/nrf52832_qfaa.dtsi>
+#include "mellifera_rev1-pinctrl.dtsi"
+
+/ {
+	model = "Mellifera rev1";
+	compatible = "bh,mellifera_rev1";
+
+	chosen {
+		zephyr,console = &uart0;
+		zephyr,sram = &sram0;
+		zephyr,flash = &flash0;
+	};
+
+	example_sensor: example-sensor {
+		compatible = "zephyr,example-sensor";
+		input-gpios = <&gpio0 2 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+	};
+
+	blink_led: blink-led {
+		compatible = "blink-gpio-led";
+		led-gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+		blink-period-ms = <1000>;
+	};
+};
+
+&uicr {
+	gpio-as-nreset;
+};
+
+&gpiote {
+	status = "okay";
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&uart0 {
+	compatible = "nordic,nrf-uarte";
+	status = "okay";
+
+	current-speed = <115200>;
+	pinctrl-0 = <&uart0_default>;
+	pinctrl-1 = <&uart0_sleep>;
+	pinctrl-names = "default", "sleep";
+};

boards/bh/mellifera_rev1/mellifera_rev1.yaml

@@ -0,0 +1,40 @@
+# Copyright (c) 2021 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+identifier: mellifera_rev1
+name: Mellifera-Rev1
+# vendor: bh
+# type: mcu
+# arch: arm
+# ram: 256
+# flash: 1024
+# toolchain:
+#   - zephyr
+#   - gnuarmemb
+#   - xtools
+# supported:
+#   - gpio
+
+# identifier: nrf52dk/nrf52832
+# name: nRF52-DK-NRF52832
+type: mcu
+arch: arm
+toolchain:
+  - zephyr
+  - gnuarmemb
+  - xtools
+ram: 64
+flash: 512
+supported:
+  - adc
+  - arduino_gpio
+  - arduino_i2c
+  - arduino_spi
+  - gpio
+  - counter
+  - nvs
+  - i2c
+  - pwm
+  - spi
+  - watchdog
+vendor: nordic

boards/bh/mellifera_rev1/mellifera_rev1_defconfig

@@ -0,0 +1,15 @@
+# Copyright (c) 2021 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_ARM_MPU=y
+CONFIG_HW_STACK_PROTECTION=y
+
+# Enable UART console on all configurations for convenience. This is usually
+# done at board level upstream so that all samples output printed messages to
+# the configured #zephyr,console. In production boards, this may be enabled at
+# application level or in a debug configuration overlay.
+CONFIG_SERIAL=y
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y
+
+CONFIG_PINCTRL=y